128925180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16657}}^1$

素因数の和:16715

約数の個数: 72

約数和(自身を含む): 400191792

約数和(自身を除く): 271266612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 16657, 33314, 49971, 66628, 83285, 99942, 149913, 166570, 199884, 249855, 299826, 333140, 499710, 599652, 716251, 749565, 999420, 1432502, 1499130, 2148753, 2865004, 2998260, 3581255, 4297506, 6446259, 7162510, 8595012, 10743765, 12892518, 14325020, 21487530, 25785036, 32231295, 42975060, 64462590, 128925180]

約数ペア:

[(1, 128925180), (2, 64462590), (3, 42975060), (4, 32231295), (5, 25785036), (6, 21487530), (9, 14325020), (10, 12892518), (12, 10743765), (15, 8595012), (18, 7162510), (20, 6446259), (30, 4297506), (36, 3581255), (43, 2998260), (45, 2865004), (60, 2148753), (86, 1499130), (90, 1432502), (129, 999420), (172, 749565), (180, 716251), (215, 599652), (258, 499710), (387, 333140), (430, 299826), (516, 249855), (645, 199884), (774, 166570), (860, 149913), (1290, 99942), (1548, 83285), (1935, 66628), (2580, 49971), (3870, 33314), (7740, 16657)]